Vulnerability feed

CVE and vendor PSIRT advisories from 13 sources, last 30 days. Updated hourly, last run Oct 26 02:05 UTC

Critical in the last 24 hours

1603 in 30 days

Newly known exploited

In the last 24 hours, CISA KEV and vendor reports

Sources checked

Every hour, see the list

New in the last 24 hours

145-76% vs 7-day avg of 598

2 critical, 38 high, 60 medium, 25 low

163 advisories match Clear all Export 25 shown as CSV

Expand	Severity	Score	Advisory	Title	Source	Published
	Medium	6.5	CVE-2026-108455	Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108455Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network. From the advisory Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network. Impact if exploited ConfidentialityHigh IntegrityNone AvailabilityNone How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	Medium	6.5	CVE-2026-108454	Buffer over-read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108454Buffer over-read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network. From the advisory Buffer over-read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network. Impact if exploited ConfidentialityHigh IntegrityNone AvailabilityNone How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	Medium	6.5	CVE-2026-108453	Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108453Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network. From the advisory Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network. Impact if exploited ConfidentialityHigh IntegrityNone AvailabilityNone How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108451	Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024	NVD	Oct 15 21:17 UTC
CVE-2026-108451Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108450	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024	NVD	Oct 15 21:17 UTC
CVE-2026-108450Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108449	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108449Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	7.5	CVE-2026-108448	Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108448Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity High Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108447	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024	NVD	Oct 15 21:17 UTC
CVE-2026-108447Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108446	Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365, Microsoft Office Online Server	NVD	Oct 15 21:17 UTC
CVE-2026-108446Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. From the advisory Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 Microsoft Office Online Server NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108445	Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108445Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108444	Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108444Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108443	Off-by-one error in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108443Off-by-one error in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Off-by-one error in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108442	Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108442Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108441	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108441Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108440	Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108440Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108439	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108439Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	Medium	6.5	CVE-2026-108438	Use after free in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108438Use after free in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. From the advisory Use after free in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. Impact if exploited ConfidentialityHigh IntegrityNone AvailabilityNone How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108437	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024	NVD	Oct 15 21:17 UTC
CVE-2026-108437Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	Medium	6.5	CVE-2026-108436	Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108436Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. From the advisory Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. Impact if exploited ConfidentialityHigh IntegrityNone AvailabilityNone How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	Medium	6.5	CVE-2026-108435	Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108435Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. From the advisory Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. Impact if exploited ConfidentialityHigh IntegrityNone AvailabilityNone How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	Medium	6.5	CVE-2026-108434	Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108434Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. From the advisory Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. Impact if exploited ConfidentialityHigh IntegrityNone AvailabilityNone How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	7.8	CVE-2026-108433	Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108433Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally. From the advisory Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108432	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108432Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108431	Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108431Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory
	High	8.8	CVE-2026-108430	Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. MicrosoftMicrosoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft 365 Apps, Microsoft Office 2021, Microsoft Office 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft 365	NVD	Oct 15 21:17 UTC
CVE-2026-108430Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. From the advisory Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Network Attack complexity Low Privileges required None User interaction Required Scope Unchanged CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affects Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021 Microsoft Office LTSC 2024 Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024 Microsoft Office 365 for Mac Microsoft Office LTSC for Mac 2021 Microsoft Office LTSC for Mac 2024 Microsoft 365 NIST National Vulnerability DatabasePublished Oct 15, 2026 21:17 UTC Read the advisory

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How it is exploited

Affects

From the advisory

Impact if exploited

How it is exploited

Affects

From the advisory

Impact if exploited

How it is exploited

Affects

From the advisory

Impact if exploited

How it is exploited